You buy a refrigerator for $711. The sales tax rate is 4%. Estimate the sales tax a) $280
b) $28
c) $29
d) $290

52 cm radius = diameter = area = circumference = circumfer

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?